TSB SSM-54940 — Ford Service bulletin
SSM-54940 is a service bulletin on file with NHTSA for the Ford F-150, 2021–2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Some 2021-2026 F-150 vehicles may exhibit a U2100:00 diagnostic trouble code (DTC) for initial configuration incomplete stored in the trailer control module (TRM). This may be due to the vehicle having a Ford accessory trailer brake kit installed without being programmed…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years SSM-54940 names
Every document filed under SSM-54940
| Document ID | Filed | Type |
|---|---|---|
| SSM 54940 | June 16, 2026 | Service bulletin |
What SSM-54940 covers
Brakes & stability — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB SSM-54940?
SSM-54940 is a service bulletin filed with NHTSA by Ford, covering the Ford F-150 across the 2021–2026 model years. NHTSA's summary reads: Some 2021-2026 F-150 vehicles may exhibit a U2100:00 diagnostic trouble code (DTC) for initial configuration incomplete stored in the trailer control module (TRM). This may be due to the vehicle having a Ford accessory trailer brake kit installed without being programmed…
Which vehicles does SSM-54940 cover?
NHTSA's file names Ford F-150 (2021–2026). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB SSM-54940 a recall, and is the repair free?
No. SSM-54940 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of SSM-54940?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under SSM-54940, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under SSM-54940. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.